8488121161 has 27 divisors (see below), whose sum is σ = 9726567669. Its totient is φ = 7402910112.

The previous prime is 8488121153. The next prime is 8488121171. The reversal of 8488121161 is 1611218848.

The square root of 8488121161 is 92131.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 981631561 + 7506489600 = 31331^2 + 86640^2 .

It is not a de Polignac number, because 8488121161 - 2³ = 8488121153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8488121101) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 22756171 + ... + 22756543.

It is an arithmetic number, because the mean of its divisors is an integer number (360243247).

Almost surely, 2^8488121161 is an apocalyptic number.

8488121161 is the 92131-st square number.

8488121161 is the 46066-th centered octagonal number.

It is an amenable number.

8488121161 is a deficient number, since it is larger than the sum of its proper divisors (1238446508).

8488121161 is an equidigital number, since it uses as much as digits as its factorization.

8488121161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 810 (or 405 counting only the distinct ones).

The product of its digits is 24576, while the sum is 40.

The cubic root of 8488121161 is about 2039.8764151232.

The spelling of 8488121161 in words is "eight billion, four hundred eighty-eight million, one hundred twenty-one thousand, one hundred sixty-one".